body,
html {
    background-color: #32373c;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.container {
    width: 300px;
    height: 300px;
    box-shadow: 17px 17px 34px #292d31, -17px -17px 34px #3c4147;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    position: relative;
}
.container #canvas {
    position: absolute;
}
.container .proNum {
    font-size: 48px;
    color: #fff;
    z-index: 1000;
}
